diff --git a/.internal/baseSlice.js b/.internal/baseSlice.js
index 5d114e436..c5a2141eb 100644
--- a/.internal/baseSlice.js
+++ b/.internal/baseSlice.js
@@ -1,5 +1,5 @@
 /**
- * The base implementation of `slice` without an iteratee call guard.
+ * The base implementation of `slice`.
  *
  * @private
  * @param {Array} array The array to slice.
diff --git a/ary.js b/ary.js
index a02f71c6d..367ee8789 100644
--- a/ary.js
+++ b/ary.js
@@ -11,15 +11,13 @@ const WRAP_ARY_FLAG = 128
  * @category Function
  * @param {Function} func The function to cap arguments for.
  * @param {number} [n=func.length] The arity cap.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {Function} Returns the new capped function.
  * @example
  *
  * map(['6', '8', '10'], ary(parseInt, 1))
  * // => [6, 8, 10]
  */
-function ary(func, n, guard) {
-  n = guard ? undefined : n
+function ary(func, n) {
   n = (func && n == null) ? func.length : n
   return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n)
 }
diff --git a/curry.js b/curry.js
index f3bad3131..fa46aac74 100644
--- a/curry.js
+++ b/curry.js
@@ -19,7 +19,6 @@ const WRAP_CURRY_FLAG = 8
  * @category Function
  * @param {Function} func The function to curry.
  * @param {number} [arity=func.length] The arity of `func`.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {Function} Returns the new curried function.
  * @example
  *
@@ -42,8 +41,7 @@ const WRAP_CURRY_FLAG = 8
  * curried(1)(_, 3)(2)
  * // => [1, 2, 3]
  */
-function curry(func, arity, guard) {
-  arity = guard ? undefined : arity
+function curry(func, arity) {
   const result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity)
   result.placeholder = curry.placeholder
   return result
diff --git a/curryRight.js b/curryRight.js
index d75e10c35..c01246914 100644
--- a/curryRight.js
+++ b/curryRight.js
@@ -16,7 +16,6 @@ const WRAP_CURRY_RIGHT_FLAG = 16
  * @category Function
  * @param {Function} func The function to curry.
  * @param {number} [arity=func.length] The arity of `func`.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {Function} Returns the new curried function.
  * @example
  *
@@ -39,8 +38,7 @@ const WRAP_CURRY_RIGHT_FLAG = 16
  * curried(3)(1, _)(2)
  * // => [1, 2, 3]
  */
-function curryRight(func, arity, guard) {
-  arity = guard ? undefined : arity
+function curryRight(func, arity) {
   const result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity)
   result.placeholder = curryRight.placeholder
   return result
diff --git a/drop.js b/drop.js
index 3063d1492..cf335cc66 100644
--- a/drop.js
+++ b/drop.js
@@ -8,7 +8,6 @@ import toInteger from './toInteger.js'
  * @category Array
  * @param {Array} array The array to query.
  * @param {number} [n=1] The number of elements to drop.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {Array} Returns the slice of `array`.
  * @example
  *
@@ -24,12 +23,12 @@ import toInteger from './toInteger.js'
  * drop([1, 2, 3], 0)
  * // => [1, 2, 3]
  */
-function drop(array, n, guard) {
+function drop(array, n=1) {
   const length = array == null ? 0 : array.length
   if (!length) {
     return []
   }
-  n = (guard || n === undefined) ? 1 : toInteger(n)
+  n = toInteger(n)
   return baseSlice(array, n < 0 ? 0 : n, length)
 }
 
diff --git a/dropRight.js b/dropRight.js
index 00d702a8a..b08bc88c9 100644
--- a/dropRight.js
+++ b/dropRight.js
@@ -8,7 +8,6 @@ import toInteger from './toInteger.js'
  * @category Array
  * @param {Array} array The array to query.
  * @param {number} [n=1] The number of elements to drop.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {Array} Returns the slice of `array`.
  * @example
  *
@@ -24,12 +23,12 @@ import toInteger from './toInteger.js'
  * dropRight([1, 2, 3], 0)
  * // => [1, 2, 3]
  */
-function dropRight(array, n, guard) {
+function dropRight(array, n=1) {
   const length = array == null ? 0 : array.length
   if (!length) {
     return []
   }
-  n = (guard || n === undefined) ? 1 : toInteger(n)
+  n = toInteger(n)
   n = length - n
   return baseSlice(array, 0, n < 0 ? 0 : n)
 }
diff --git a/orderBy.js b/orderBy.js
index 3f1726bcc..f4acd902a 100644
--- a/orderBy.js
+++ b/orderBy.js
@@ -12,7 +12,6 @@ import baseOrderBy from './.internal/baseOrderBy.js'
  * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[identity]]
  *  The iteratees to sort by.
  * @param {string[]} [orders] The sort orders of `iteratees`.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `reduce`.
  * @returns {Array} Returns the new sorted array.
  * @see reverse
  * @example
@@ -28,14 +27,13 @@ import baseOrderBy from './.internal/baseOrderBy.js'
  * orderBy(users, ['user', 'age'], ['asc', 'desc'])
  * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
  */
-function orderBy(collection, iteratees, orders, guard) {
+function orderBy(collection, iteratees, orders) {
   if (collection == null) {
     return []
   }
   if (!Array.isArray(iteratees)) {
     iteratees = iteratees == null ? [] : [iteratees]
   }
-  orders = guard ? undefined : orders
   if (!Array.isArray(orders)) {
     orders = orders == null ? [] : [orders]
   }
diff --git a/parseInt.js b/parseInt.js
index 51b301287..f8384785f 100644
--- a/parseInt.js
+++ b/parseInt.js
@@ -19,7 +19,6 @@ const nativeParseInt = root.parseInt
  * @category String
  * @param {string} string The string to convert.
  * @param {number} [radix=10] The radix to interpret `value` by.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {number} Returns the converted integer.
  * @example
  *
@@ -29,8 +28,8 @@ const nativeParseInt = root.parseInt
  * map(['6', '08', '10'], parseInt)
  * // => [6, 8, 10]
  */
-function parseInt(string, radix, guard) {
-  if (guard || radix == null) {
+function parseInt(string, radix) {
+  if (radix == null) {
     radix = 0
   } else if (radix) {
     radix = +radix
diff --git a/take.js b/take.js
index a2247a1d8..8593f19de 100644
--- a/take.js
+++ b/take.js
@@ -8,7 +8,6 @@ import toInteger from './toInteger.js'
  * @category Array
  * @param {Array} array The array to query.
  * @param {number} [n=1] The number of elements to take.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {Array} Returns the slice of `array`.
  * @example
  *
@@ -24,11 +23,11 @@ import toInteger from './toInteger.js'
  * take([1, 2, 3], 0)
  * // => []
  */
-function take(array, n, guard) {
+function take(array, n=1) {
   if (!(array != null && array.length)) {
     return []
   }
-  n = (guard || n === undefined) ? 1 : toInteger(n)
+  n = toInteger(n)
   return baseSlice(array, 0, n < 0 ? 0 : n)
 }
 
diff --git a/takeRight.js b/takeRight.js
index 2b0978f12..de512478b 100644
--- a/takeRight.js
+++ b/takeRight.js
@@ -8,7 +8,6 @@ import toInteger from './toInteger.js'
  * @category Array
  * @param {Array} array The array to query.
  * @param {number} [n=1] The number of elements to take.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {Array} Returns the slice of `array`.
  * @example
  *
@@ -24,12 +23,12 @@ import toInteger from './toInteger.js'
  * takeRight([1, 2, 3], 0)
  * // => []
  */
-function takeRight(array, n, guard) {
+function takeRight(array, n=1) {
   const length = array == null ? 0 : array.length
   if (!length) {
     return []
   }
-  n = (guard || n === undefined) ? 1 : toInteger(n)
+  n = toInteger(n)
   n = length - n
   return baseSlice(array, n < 0 ? 0 : n, length)
 }
diff --git a/trim.js b/trim.js
index 5155303a4..101f21aae 100644
--- a/trim.js
+++ b/trim.js
@@ -12,7 +12,6 @@ import toString from './toString.js'
  * @category String
  * @param {string} [string=''] The string to trim.
  * @param {string} [chars=whitespace] The characters to trim.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {string} Returns the trimmed string.
  * @see trimEnd, trimStart
  * @example
@@ -26,9 +25,9 @@ import toString from './toString.js'
  * map(['  foo  ', '  bar  '], trim)
  * // => ['foo', 'bar']
  */
-function trim(string, chars, guard) {
+function trim(string, chars) {
   string = toString(string)
-  if (string && (guard || chars === undefined)) {
+  if (string && chars === undefined) {
     return string.trim()
   }
   if (!string || !(chars = baseToString(chars))) {
diff --git a/trimEnd.js b/trimEnd.js
index 6433160ee..f4a2a758b 100644
--- a/trimEnd.js
+++ b/trimEnd.js
@@ -13,7 +13,6 @@ const methodName = ''.trimRight ? 'trimRight': 'trimEnd'
  * @category String
  * @param {string} [string=''] The string to trim.
  * @param {string} [chars=whitespace] The characters to trim.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {string} Returns the trimmed string.
  * @see trim, trimStart
  * @example
@@ -24,9 +23,9 @@ const methodName = ''.trimRight ? 'trimRight': 'trimEnd'
  * trimEnd('-_-abc-_-', '_-')
  * // => '-_-abc'
  */
-function trimEnd(string, chars, guard) {
+function trimEnd(string, chars) {
   string = toString(string)
-  if (string && (guard || chars === undefined)) {
+  if (string && chars === undefined) {
     return string[methodName]()
   }
   if (!string || !(chars = baseToString(chars))) {
diff --git a/trimStart.js b/trimStart.js
index dc5c39bac..7ce23153c 100644
--- a/trimStart.js
+++ b/trimStart.js
@@ -13,7 +13,6 @@ const methodName =  ''.trimLeft ? 'trimLeft' : 'trimStart'
  * @category String
  * @param {string} [string=''] The string to trim.
  * @param {string} [chars=whitespace] The characters to trim.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {string} Returns the trimmed string.
  * @see trim, trimEnd
  * @example
@@ -24,9 +23,9 @@ const methodName =  ''.trimLeft ? 'trimLeft' : 'trimStart'
  * trimStart('-_-abc-_-', '_-')
  * // => 'abc-_-'
  */
-function trimStart(string, chars, guard) {
+function trimStart(string, chars) {
   string = toString(string)
-  if (string && (guard || chars === undefined)) {
+  if (string && chars === undefined) {
     return string[methodName]()
   }
   if (!string || !(chars = baseToString(chars))) {
diff --git a/words.js b/words.js
index e4d5ee51a..a182b48c6 100644
--- a/words.js
+++ b/words.js
@@ -10,7 +10,6 @@ import unicodeWords from './.internal/unicodeWords.js'
  * @category String
  * @param {string} [string=''] The string to inspect.
  * @param {RegExp|string} [pattern] The pattern to match words.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {Array} Returns the words of `string`.
  * @example
  *
@@ -20,10 +19,8 @@ import unicodeWords from './.internal/unicodeWords.js'
  * words('fred, barney, & pebbles', /[^, ]+/g)
  * // => ['fred', 'barney', '&', 'pebbles']
  */
-function words(string, pattern, guard) {
+function words(string, pattern) {
   string = toString(string)
-  pattern = guard ? undefined : pattern
-
   if (pattern === undefined) {
     return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string)
   }